michael@0: function testDenseArrayProp()
michael@0: {
michael@0:     [].__proto__.x = 1;
michael@0:     ({}).__proto__.x = 2;
michael@0:     var a = [[],[],[],({}).__proto__];
michael@0:     for (var i = 0; i < a.length; ++i)
michael@0:         uneval(a[i].x);
michael@0:     delete [].__proto__.x;
michael@0:     delete ({}).__proto__.x;
michael@0:     return "ok";
michael@0: }
michael@0: assertEq(testDenseArrayProp(), "ok");